Artem Böhme created OLINGO-1214:
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Summary: Nullable Facet is not properly handled on complex types
Key: OLINGO-1214
URL: https://issues.apache.org/jira/browse/OLINGO-1214
Project: Olingo
Issue Type: Bug
Components: odata2-core
Affects Versions: V2 2.0.9
Reporter: Artem Böhme
Hi,
given complex type B with property 'x' which has the facet Nullable=false
and
given the entity A with the reference to complex type B via 'b' and the facet Nullable=true
on 'b'
This combination produces the error "The metadata do not allow a null value." at
{{EntityProvider.writeEntry(contentType, targetEntitySet, data, EntityProviderWriteProperties.serviceRoot(getContext().getPathInfo().getServiceRoot()).build());}}
if the data is A and data don't contain the key 'b'.
If i debug into the code, I can see that the problem is the property 'x' which is not nullable,
but in the described situation I don't have the 'b' at all (which can be nullable).
I think the lines 76 to 95 in {{org.apache.olingo.odata2.core.ep.producer.JsonPropertyEntityProducer}}
should be reviewed to handle the described case correctly.
Please let me know, if you need more context info!
Best regards,
Artem
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